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Asked: 2026-05-18T02:40:21+00:00

I have a question about the in parameter type of a stored procedure. Normally

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I have a question about the in parameter type of a stored procedure. Normally the definition of a parameter will look like this:

in param_test VARCHAR(100)

Do you know if I can defined a parameter like this?:

in param_test table.column%type

This way the parameter will be the same type as the column of an specific table. So if the column type change from varchar(100) to varchar(250) I don’t have to change the parameter type in the stored procedure.

I know It’s possible in Oracle, but I don’t know if it is in MySQL.

Thank you very much for your time and help.

Regards.

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1 Answer

  1. Editorial Team

    That syntax is not supported in MySQL. You need to explicitly declare the datatype for a parameter in a stored program.

    If you want to protect yourself from future changes to the max length of a varchar column, you can just use the TEXT datatype for the parameter,

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